Which of the Following Statements Best Describes Bond Yields

Which of the following statements best describes bond yields?

A) If a bond is selling at a discount, the yield to call is a better measure of return than the yield to maturity.
B) On an expected yield basis, the expected capital gains yield will always be positive because an investor would not purchase a bond with an expected capital loss.
C) If a coupon bond is selling at par, its current yield equals its yield to maturity.
D) The current yield on Bond A exceeds the current yield on Bond B; therefore, Bond A must have a higher yield to maturity than Bond B.